Workers graft passion fruit seedlings at a seedling breeding base in Guandong Township of Congjiang County in Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Feb. 15, 2023. Spring ploughing and seedling raising have started in Qiandongnan Miao and Dong Autonomous Prefecture recently as temperature gradually rises.(Photo: Xinhua)
A worker takes care of seedlings at a tissue culture room of a seedling breeding base in Guandong Township of Congjiang County in Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Feb. 14, 2023. Spring ploughing and seedling raising have started in Qiandongnan Miao and Dong Autonomous Prefecture recently as temperature gradually rises.(Photo: Xinhua)
Workers take care of seedlings at a seedling breeding base in Guandong Township of Congjiang County in Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Feb. 15, 2023. Spring ploughing and seedling raising have started in Qiandongnan Miao and Dong Autonomous Prefecture recently as temperature gradually rises.(Photo: Xinhua)
A worker waters seedlings using an automatic sprinkler system at a seedling breeding base in Guandong Township of Congjiang County in Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Feb. 14, 2023. Spring ploughing and seedling raising have started in Qiandongnan Miao and Dong Autonomous Prefecture recently as temperature gradually rises.(Photo: Xinhua)